A new species and a new combination of <Emphasis Type="Italic">Allium</Emphasis> sect. <Emphasis Type="Italic">Rhizirideum</Emphasis> (Alliaceae) from northeastern China and Korea |
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| Authors: | Hyeok-Jae Choi Byoung-Un Oh |
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| Institution: | (1) Division of Forest Biodiversity and Herbarium, Korea National Arboretum, Pocheon, Gyeonggi, 487-821, Korea;(2) Department of Biology, University of Saskatchewan, Saskatoon, SK S7N5E2, Canada;(3) School of Life Science, Chungbuk National University, Cheongju, Chungbuk, 361-763, Korea |
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| Abstract: | A new species, Allium pseudosenescens, belonging to sect. Rhizirideum (Alliaceae), is described from northeastern China. It is easily distinguished from A. senescens by the slender pedicels, pale pink perianths, narrower tepals and ovaries, yellowish anthers, and sometimes toothed subulate
filaments. Also, A. senescens var. minus in sect. Rhizirideum is raised to the rank of species, as A. minus. This Korean endemic taxon is shown to be a biologically distinct species based on morphological and cytological characters.
Taxonomic keys for the species of Allium sect. Rhizirideum in northeastern China and Korea are provided. |
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